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40211033 = 239168247
BaseRepresentation
bin1001100101100…
…1001001011001
32210122221011112
42121121021121
540243223113
63553510105
7665534222
oct231311131
983587145
1040211033
1120775165
1211572335
13843b915
1454aa249
1537e45a8
hex2659259

40211033 has 4 divisors (see below), whose sum is σ = 40379520. Its totient is φ = 40042548.

The previous prime is 40211009. The next prime is 40211053. The reversal of 40211033 is 33011204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40211033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40210999 and 40211017.

It is not an unprimeable number, because it can be changed into a prime (40211053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83885 + ... + 84362.

It is an arithmetic number, because the mean of its divisors is an integer number (10094880).

Almost surely, 240211033 is an apocalyptic number.

It is an amenable number.

40211033 is a deficient number, since it is larger than the sum of its proper divisors (168487).

40211033 is a wasteful number, since it uses less digits than its factorization.

40211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168486.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40211033 is about 6341.2169967602. The cubic root of 40211033 is about 342.5955703249.

Adding to 40211033 its reverse (33011204), we get a palindrome (73222237).

The spelling of 40211033 in words is "forty million, two hundred eleven thousand, thirty-three".

Divisors: 1 239 168247 40211033